In all zoning districts, from the time a principal building or land use activity is erected, constructed, established, altered or enlarged, there shall be off-street parking conforming to this chapter to serve that building or use. This parking shall be available free of charge for the use of the occupants, employees, and patrons of the building. The owners and occupants of a principal building shall be jointly and severally responsible for providing and maintaining the off-street parking serving that building or use. The off-street parking required by this chapter shall be maintained in accordance with this chapter continuously during the life of the building or use. [Ord. 90-45 §2, 1991. Formerly §17.57.010].